24" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 12 5/8"] Return Grille Insulation – A thick blanket Width_20in These won t hinder RFG1620 FBA

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

+ Product Details Size - 32"w X 30"h is the size for the duct opening measurement only

Slots are angled to diversify the airflow in 2 way direction

Quality Packaging – carefully shrink wrapped with cardboard backing to prevent damage in shipment

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

24" X 10" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 26 5 8" X 12 5 8"] Return Grille Insulation – A thick blanket Width_20in These won t hinder RFG1620 FBA Insulation – A thick blanket of fiberglass insulation provides you with an R Value of 8 + Product Details Size 32"w X 30"h is the size for the duct opening measurement only